Battery Subsidies Overview
Klimabonus 2026 offers a premium for installing residential storage systems paired with a PV installation.
Klimabonus 2026 — Home Battery
| Capacity | Premium/kWh | Calculated Premium | Notes |
|---|---|---|---|
| 1 – 5 kWh | €250/kWh | €250 – €1,250 | Small entry-level batteries |
| 5 – 9 kWh | €250/kWh | €1,250 – €2,250 | Standard residential size |
| > 9 kWh | €250/kWh (capped) | €2,250 max | Premium capped at 9 kWh |
| Without PV | — | Not eligible | Battery must be paired with PV |
Eligibility
PV installation required
Battery must be installed with existing or simultaneous PV.
Certified battery
Storage certified per EN/IEC 62619. LFP and NMC eligible.
Certified installer
Installation by authorised professional.
Existing building
Building completed for at least 2 years.
Minimum capacity
At least 2 kWh usable capacity.
Manufacturer warranty
Minimum 10 years or 4,000 cycles required.
Application Process
Assess needs
Analyse consumption and PV production for optimal battery size.
Get quotes
Compare at least 3 offers including battery, hybrid inverter, and installation.
Submit application
Apply on MyGuichet.lu BEFORE work starts.
Installation
Have system installed by chosen professional.
Receive premium
Payment within 4-8 weeks after verification.
Additional Benefits
Maximised self-consumption
Increase from 30% to 70% by storing solar surplus.
Energy independence
Less grid dependency, protection from electricity price increases.
Backup power
Some batteries provide emergency power during grid outages.
Smart management
Automatic charge/discharge optimisation.
FAQ
⚠️ Disclaimer: Information for guidance only. Please consult Klima-Agence and MyGuichet.lu for current official data. Last updated: April 2026.